<link rel="stylesheet" type="text/css" href="/js/extjs/resources/css/ext-all.css" />

<script type='text/javascript' src='/js/extjs/ext.js'></script>
<script type='text/javascript' src='/js/app/App.js'></script>
<script type='text/javascript' src='/js/app/all-classes.js'></script>

<script type='text/javascript'>
     Ext.Loader.setPath({
            'Ext.ux.desktop': 'js',
            MyDesktop: ''
        });

        Ext.require('MyDesktop.App');

        var myDesktopApp;
        Ext.onReady(function () {
            myDesktopApp = new MyDesktop.App();
        });
</script>


DESKTOP